package com.tgy;

public class _02_JDK_JRE_JVM {

  public static void main(String[] args) {

    /**
     *
     * JDK java development kit java 开发工具包
     *
     * JRE Java Runtime Environment Java 运行环境
     *
     * JVM Java Virtual Machine java 虚拟机
     *
     *
     */

  }
}
